isiphoneduoready

GradeKey — Grade Calculator

Hernan Rosario

Education

Ready

Fills the whole inner screen.

Built with the iOS 27.1 SDK or later.

Version
1.6
Last App Store update
Oct 10, 2026
Confirmed
Oct 30, 2026

GradeKey — Grade Calculator

GradeKey — Grade Calculator on the inner screen: fills the whole inner screen. It gets 2,853 × 2,007 pixels, drawn to the geometry measured in the simulator.

How we know

How we decide

  1. Developer says so

    The notes for version 1.6 say:

    …ing: enter one assignment, save it, and continue immediately to the next. • New iPhone Duo support: grade tables, Quick Lookup, and the compact keypad adapt across open,…

  2. Verified by the community

    The iPhone Duo community lists it as ready.

Not what you see? Report “Ready” as incorrect

This page says version 1.6 fills the whole inner screen. If that’s not what GradeKey — Grade Calculator looks like on your iPhone Duo’s inner screen, tell us. It changes to “Not ready” once three people report it, at least one with a screenshot.

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